CN211145081U

CN211145081U - Protective sleeve

Info

Publication number: CN211145081U
Application number: CN201921636345.0U
Authority: CN
Inventors: 蒋海滨; 钱能; 姜婧
Original assignee: Jiangyin Suncity Cables Co ltd
Current assignee: Jiangyin Suncity Cables Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-31
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to a protective sleeve, its characterized in that: the steel wire rope comprises an inner lining pipe, a rope strand layer and a coating, wherein the inner lining pipe is of a hollow structure, the rope strand layer comprises a plurality of steel wires and a plurality of Kevlar ropes, the steel wires and the Kevlar ropes are uniformly distributed outside the inner lining pipe at intervals, and the coating is embedded into the rope strand layer and is connected with the inner lining pipe into a whole. The utility model relates to a protective sleeve, which replaces a steel wire with a Kevlar rope, the produced protective sleeve becomes more flexible, and the protective sleeve is flexible and easy to bend during wiring, thereby facilitating wiring; because the weight of the Kevlar ropes with the same size is less than that of the steel wires, the produced protective sleeve is lighter; meanwhile, the surface of the Kevlar cord is uneven, the contact area of the Kevlar cord and the coating is larger than that of a single steel wire, the coating can be embedded into gaps of the Kevlar cord, and the binding force between the coating and the strands is improved.

Description

Protective sleeve

Technical Field

The utility model relates to a protecting pipe especially relates to a protecting pipe of acting as go-between, belongs to protecting pipe production technical field.

Background

At present, most raw material steel wires in the shift sheath tube in China basically mainly comprise plain wires, galvanized wires and oil quenching wires; the sleeve produced by adopting the raw materials has the following problems:

① is not flexible because of its heavy weight, and when the wiring angle is small during wiring assembly, the wiring cannot be smoothly performed.

② when peeling the end, the pull-off force of the injection-molded part at the end is low because the bonding force between the coating and the steel wire is low.

③, the poor bonding force between the steel wire and the coating easily causes the elongation of the steel wire.

At present, in order to avoid the above-mentioned situation, there are some solutions in the industry, such as improving the flexibility of the coating material, and changing the properties of the coating material, so as to improve the pull-off force of the coating. However, the above measures often cause a series of problems such as increase of manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that provide a protective casing to above-mentioned prior art, it can solve the poor, the power of drawing off of current protective casing pliability problem little, that weight is big.

The utility model provides a technical scheme that above-mentioned problem adopted does:

a kind of protective sleeve, characterized by: the steel wire rope comprises an inner lining pipe, a rope strand layer and a coating, wherein the inner lining pipe is of a hollow structure, the rope strand layer comprises a plurality of steel wires and a plurality of Kevlar ropes, the steel wires and the Kevlar ropes are uniformly distributed outside the inner lining pipe at intervals, and the coating is embedded into the rope strand layer and is connected with the inner lining pipe into a whole.

The coating can be embedded into a gap between the Kevlar ropes, the coating can be embedded into a gap between the Kevlar ropes and the lining pipe, the coating can be embedded into a gap between the steel wire and the Kevlar ropes, and the coating can be embedded into a gap between the steel wire and the lining pipe.

Compared with the prior art, the utility model has the advantages of:

the utility model relates to a protective sleeve, which replaces a steel wire with a Kevlar rope, and the protective sleeve produced under the condition of unchanged other processes becomes softer and more elastic, and the protective sleeve is more convenient to wire due to the softness and flexibility of the protective sleeve during the wiring; because the weight of the Kevlar rope with the same size is obviously less than that of the steel wire, the produced protective sleeve is lighter; meanwhile, the surface of the Kevlar rope is uneven, the contact area of the Kevlar rope and the coating is larger than that of a single steel wire, the coating can be embedded into gaps of the Kevlar rope, the binding force between the coating and the Kevlar rope is improved, and in addition, the coating material can cross the Kevlar rope to be in contact with an inner lining pipe inside the Kevlar rope in the plastic coating process, so that the coating is connected with all parts inside the coating, the integral performance of the whole protective sleeve is better, and the pull-off force performance of a product is improved.

Drawings

Fig. 1 is a schematic structural diagram of the sheath tube of the present invention.

Wherein:

inner lining pipe 1

Layer of strands 2

Steel wire 2.1

Kevlar cord 2.2

And (3) coating.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1, the sheath tube in this embodiment sequentially includes an inner lining tube 1, a strand layer 2, and a coating 3 from inside to outside, the inner lining tube 1 is a hollow structure, the strand layer 2 includes a plurality of steel wires 2.1 and a plurality of kevlar ropes 2.2, the steel wires 2.1 and the kevlar ropes 2.2 are uniformly distributed outside the inner lining tube 1 at intervals, and the coating 3 is embedded in the strand layer 2 and is connected with the inner lining tube 1;

the contact area of the Kevlar 2.2 and the coating 3 is larger than that of a single steel wire;

the coating 3 can be embedded into a gap of the Kevlar 2.2 body, the coating 3 can be embedded into a gap between the Kevlar 2.2 and the lining pipe 1, the coating 3 can be embedded into a gap between the steel wire 2.1 and the Kevlar 2.2, and the coating 3 can be embedded into a gap between the steel wire 2.1 and the lining pipe 1.

In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. A kind of protective sleeve, characterized by: the rope strand structure comprises an inner lining pipe (1), a rope strand layer (2) and a coating (3) from inside to outside in sequence, wherein the inner lining pipe (1) is of a hollow structure, the rope strand layer (2) comprises a plurality of steel wires (2.1) and a plurality of Kevlar ropes (2.2), the steel wires (2.1) and the Kevlar ropes (2.2) are uniformly distributed outside the inner lining pipe (1) at intervals, and the coating (3) can be embedded into the rope strand layer (2) and is connected with the inner lining pipe (1) into a whole.

2. The sheathing tube according to claim 1, wherein: the coating (3) can be embedded into a gap between the Kevlar ropes (2.2), the coating (3) can be embedded into a gap between the Kevlar ropes (2.2) and the lining pipe (1), the coating (3) can be embedded into a gap between the steel wire (2.1) and the Kevlar ropes (2.2), and the coating (3) can be embedded into a gap between the steel wire (2.1) and the lining pipe (1).